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 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2009, Intel Corporation.
  */
 #ifndef __PSB_INTEL_REG_H__
 #define __PSB_INTEL_REG_H__
 
 /*
  * GPIO regs
  */
 #define GPIOA           0x5010
 #define GPIOB           0x5014
 #define GPIOC           0x5018
 #define GPIOD           0x501c
 #define GPIOE           0x5020
 #define GPIOF           0x5024
 #define GPIOG           0x5028
 #define GPIOH           0x502c
 # define GPIO_CLOCK_DIR_MASK        (1 << 0)
 # define GPIO_CLOCK_DIR_IN      (0 << 1)
 # define GPIO_CLOCK_DIR_OUT     (1 << 1)
 # define GPIO_CLOCK_VAL_MASK        (1 << 2)
 # define GPIO_CLOCK_VAL_OUT     (1 << 3)
 # define GPIO_CLOCK_VAL_IN      (1 << 4)
 # define GPIO_CLOCK_PULLUP_DISABLE  (1 << 5)
 # define GPIO_DATA_DIR_MASK     (1 << 8)
 # define GPIO_DATA_DIR_IN       (0 << 9)
 # define GPIO_DATA_DIR_OUT      (1 << 9)
 # define GPIO_DATA_VAL_MASK     (1 << 10)
 # define GPIO_DATA_VAL_OUT      (1 << 11)
 # define GPIO_DATA_VAL_IN       (1 << 12)
 # define GPIO_DATA_PULLUP_DISABLE   (1 << 13)
 
 #define GMBUS0          0x5100 /* clock/port select */
 #define   GMBUS_RATE_100KHZ (0<<8)
 #define   GMBUS_RATE_50KHZ  (1<<8)
 #define   GMBUS_RATE_400KHZ (2<<8) /* reserved on Pineview */
 #define   GMBUS_RATE_1MHZ   (3<<8) /* reserved on Pineview */
 #define   GMBUS_HOLD_EXT    (1<<7) /* 300ns hold time, rsvd on Pineview */
 #define   GMBUS_PORT_DISABLED   0
 #define   GMBUS_PORT_SSC    1
 #define   GMBUS_PORT_VGADDC 2
 #define   GMBUS_PORT_PANEL  3
 #define   GMBUS_PORT_DPC    4 /* HDMIC */
 #define   GMBUS_PORT_DPB    5 /* SDVO, HDMIB */
                   /* 6 reserved */
 #define   GMBUS_PORT_DPD    7 /* HDMID */
 #define   GMBUS_NUM_PORTS       8
 #define GMBUS1          0x5104 /* command/status */
 #define   GMBUS_SW_CLR_INT  (1<<31)
 #define   GMBUS_SW_RDY      (1<<30)
 #define   GMBUS_ENT     (1<<29) /* enable timeout */
 #define   GMBUS_CYCLE_NONE  (0<<25)
 #define   GMBUS_CYCLE_WAIT  (1<<25)
 #define   GMBUS_CYCLE_INDEX (2<<25)
 #define   GMBUS_CYCLE_STOP  (4<<25)
 #define   GMBUS_BYTE_COUNT_SHIFT 16
 #define   GMBUS_SLAVE_INDEX_SHIFT 8
 #define   GMBUS_SLAVE_ADDR_SHIFT 1
 #define   GMBUS_SLAVE_READ  (1<<0)
 #define   GMBUS_SLAVE_WRITE (0<<0)
 #define GMBUS2          0x5108 /* status */
 #define   GMBUS_INUSE       (1<<15)
 #define   GMBUS_HW_WAIT_PHASE   (1<<14)
 #define   GMBUS_STALL_TIMEOUT   (1<<13)
 #define   GMBUS_INT     (1<<12)
 #define   GMBUS_HW_RDY      (1<<11)
 #define   GMBUS_SATOER      (1<<10)
 #define   GMBUS_ACTIVE      (1<<9)
 #define GMBUS3          0x510c /* data buffer bytes 3-0 */
 #define GMBUS4          0x5110 /* interrupt mask (Pineview+) */
 #define   GMBUS_SLAVE_TIMEOUT_EN (1<<4)
 #define   GMBUS_NAK_EN      (1<<3)
 #define   GMBUS_IDLE_EN     (1<<2)
 #define   GMBUS_HW_WAIT_EN  (1<<1)
 #define   GMBUS_HW_RDY_EN   (1<<0)
 #define GMBUS5          0x5120 /* byte index */
 #define   GMBUS_2BYTE_INDEX_EN  (1<<31)
 
 #define BLC_PWM_CTL     0x61254
 #define BLC_PWM_CTL2        0x61250
 #define  PWM_ENABLE     (1 << 31)
 #define  PWM_LEGACY_MODE    (1 << 30)
 #define  PWM_PIPE_B     (1 << 29)
 #define BLC_PWM_CTL_C       0x62254
 #define BLC_PWM_CTL2_C      0x62250
 #define BACKLIGHT_MODULATION_FREQ_SHIFT     (17)
 /*
  * This is the most significant 15 bits of the number of backlight cycles in a
  * complete cycle of the modulated backlight control.
  *
  * The actual value is this field multiplied by two.
  */
 #define BACKLIGHT_MODULATION_FREQ_MASK  (0x7fff << 17)
 #define BLM_LEGACY_MODE         (1 << 16)
 /*
  * This is the number of cycles out of the backlight modulation cycle for which
  * the backlight is on.
  *
  * This field must be no greater than the number of cycles in the complete
  * backlight modulation cycle.
  */
 #define BACKLIGHT_DUTY_CYCLE_SHIFT  (0)
 #define BACKLIGHT_DUTY_CYCLE_MASK   (0xffff)
 
 #define I915_GCFGC          0xf0
 #define I915_LOW_FREQUENCY_ENABLE   (1 << 7)
 #define I915_DISPLAY_CLOCK_190_200_MHZ  (0 << 4)
 #define I915_DISPLAY_CLOCK_333_MHZ  (4 << 4)
 #define I915_DISPLAY_CLOCK_MASK     (7 << 4)
 
 #define I855_HPLLCC         0xc0
 #define I855_CLOCK_CONTROL_MASK     (3 << 0)
 #define I855_CLOCK_133_200      (0 << 0)
 #define I855_CLOCK_100_200      (1 << 0)
 #define I855_CLOCK_100_133      (2 << 0)
 #define I855_CLOCK_166_250      (3 << 0)
 
 /* I830 CRTC registers */
 #define HTOTAL_A        0x60000
 #define HBLANK_A        0x60004
 #define HSYNC_A         0x60008
 #define VTOTAL_A        0x6000c
 #define VBLANK_A        0x60010
 #define VSYNC_A         0x60014
 #define PIPEASRC        0x6001c
 #define BCLRPAT_A       0x60020
 #define VSYNCSHIFT_A        0x60028
 
 #define HTOTAL_B        0x61000
 #define HBLANK_B        0x61004
 #define HSYNC_B         0x61008
 #define VTOTAL_B        0x6100c
 #define VBLANK_B        0x61010
 #define VSYNC_B         0x61014
 #define PIPEBSRC        0x6101c
 #define BCLRPAT_B       0x61020
 #define VSYNCSHIFT_B        0x61028
 
 #define HTOTAL_C        0x62000
 #define HBLANK_C        0x62004
 #define HSYNC_C         0x62008
 #define VTOTAL_C        0x6200c
 #define VBLANK_C        0x62010
 #define VSYNC_C         0x62014
 #define PIPECSRC        0x6201c
 #define BCLRPAT_C       0x62020
 #define VSYNCSHIFT_C        0x62028
 
 #define PP_STATUS       0x61200
 # define PP_ON              (1 << 31)
 /*
  * Indicates that all dependencies of the panel are on:
  *
  * - PLL enabled
  * - pipe enabled
  * - LVDS/DVOB/DVOC on
  */
 #define PP_READY            (1 << 30)
 #define PP_SEQUENCE_NONE        (0 << 28)
 #define PP_SEQUENCE_ON          (1 << 28)
 #define PP_SEQUENCE_OFF         (2 << 28)
 #define PP_SEQUENCE_MASK        0x30000000
 #define PP_CYCLE_DELAY_ACTIVE       (1 << 27)
 #define PP_SEQUENCE_STATE_ON_IDLE   (1 << 3)
 #define PP_SEQUENCE_STATE_MASK      0x0000000f
 
 #define PP_CONTROL      0x61204
 #define POWER_TARGET_ON         (1 << 0)
 #define PANEL_UNLOCK_REGS       (0xabcd << 16)
 #define PANEL_UNLOCK_MASK       (0xffff << 16)
 #define EDP_FORCE_VDD           (1 << 3)
 #define EDP_BLC_ENABLE          (1 << 2)
 #define PANEL_POWER_RESET       (1 << 1)
 #define PANEL_POWER_OFF         (0 << 0)
 #define PANEL_POWER_ON          (1 << 0)
 
 /* Poulsbo/Oaktrail */
 #define LVDSPP_ON       0x61208
 #define LVDSPP_OFF      0x6120c
 #define PP_CYCLE        0x61210
 
 /* Cedartrail */
 #define PP_ON_DELAYS        0x61208     /* Cedartrail */
 #define PANEL_PORT_SELECT_MASK      (3 << 30)
 #define PANEL_PORT_SELECT_LVDS      (0 << 30)
 #define PANEL_PORT_SELECT_EDP       (1 << 30)
 #define PANEL_POWER_UP_DELAY_MASK   (0x1fff0000)
 #define PANEL_POWER_UP_DELAY_SHIFT  16
 #define PANEL_LIGHT_ON_DELAY_MASK   (0x1fff)
 #define PANEL_LIGHT_ON_DELAY_SHIFT  0
 
 #define PP_OFF_DELAYS       0x6120c     /* Cedartrail */
 #define PANEL_POWER_DOWN_DELAY_MASK (0x1fff0000)
 #define PANEL_POWER_DOWN_DELAY_SHIFT    16
 #define PANEL_LIGHT_OFF_DELAY_MASK  (0x1fff)
 #define PANEL_LIGHT_OFF_DELAY_SHIFT 0
 
 #define PP_DIVISOR      0x61210     /* Cedartrail */
 #define  PP_REFERENCE_DIVIDER_MASK  (0xffffff00)
 #define  PP_REFERENCE_DIVIDER_SHIFT 8
 #define  PANEL_POWER_CYCLE_DELAY_MASK   (0x1f)
 #define  PANEL_POWER_CYCLE_DELAY_SHIFT  0
 
 #define PFIT_CONTROL        0x61230
 #define PFIT_ENABLE         (1 << 31)
 #define PFIT_PIPE_MASK          (3 << 29)
 #define PFIT_PIPE_SHIFT         29
 #define PFIT_SCALING_MODE_PILLARBOX (1 << 27)
 #define PFIT_SCALING_MODE_LETTERBOX (3 << 26)
 #define VERT_INTERP_DISABLE     (0 << 10)
 #define VERT_INTERP_BILINEAR        (1 << 10)
 #define VERT_INTERP_MASK        (3 << 10)
 #define VERT_AUTO_SCALE         (1 << 9)
 #define HORIZ_INTERP_DISABLE        (0 << 6)
 #define HORIZ_INTERP_BILINEAR       (1 << 6)
 #define HORIZ_INTERP_MASK       (3 << 6)
 #define HORIZ_AUTO_SCALE        (1 << 5)
 #define PANEL_8TO6_DITHER_ENABLE    (1 << 3)
 
 #define PFIT_PGM_RATIOS     0x61234
 #define PFIT_VERT_SCALE_MASK            0xfff00000
 #define PFIT_HORIZ_SCALE_MASK           0x0000fff0
 
 #define PFIT_AUTO_RATIOS    0x61238
 
 #define DPLL_A          0x06014
 #define DPLL_B          0x06018
 #define DPLL_VCO_ENABLE         (1 << 31)
 #define DPLL_DVO_HIGH_SPEED     (1 << 30)
 #define DPLL_SYNCLOCK_ENABLE        (1 << 29)
 #define DPLL_VGA_MODE_DIS       (1 << 28)
 #define DPLLB_MODE_DAC_SERIAL       (1 << 26)   /* i915 */
 #define DPLLB_MODE_LVDS         (2 << 26)   /* i915 */
 #define DPLL_MODE_MASK          (3 << 26)
 #define DPLL_DAC_SERIAL_P2_CLOCK_DIV_10 (0 << 24)   /* i915 */
 #define DPLL_DAC_SERIAL_P2_CLOCK_DIV_5  (1 << 24)   /* i915 */
 #define DPLLB_LVDS_P2_CLOCK_DIV_14  (0 << 24)   /* i915 */
 #define DPLLB_LVDS_P2_CLOCK_DIV_7   (1 << 24)   /* i915 */
 #define DPLL_P2_CLOCK_DIV_MASK      0x03000000  /* i915 */
 #define DPLL_FPA0h1_P1_POST_DIV_MASK    0x00ff0000  /* i915 */
 #define DPLL_LOCK           (1 << 15)   /* CDV */
 
 /*
  *  The i830 generation, in DAC/serial mode, defines p1 as two plus this
  * bitfield, or just 2 if PLL_P1_DIVIDE_BY_TWO is set.
  */
 # define DPLL_FPA01_P1_POST_DIV_MASK_I830   0x001f0000
 /*
  * The i830 generation, in LVDS mode, defines P1 as the bit number set within
  * this field (only one bit may be set).
  */
 #define DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS   0x003f0000
 #define DPLL_FPA01_P1_POST_DIV_SHIFT    16
 #define PLL_P2_DIVIDE_BY_4      (1 << 23)   /* i830, required
                              * in DVO non-gang */
 # define PLL_P1_DIVIDE_BY_TWO       (1 << 21)   /* i830 */
 #define PLL_REF_INPUT_DREFCLK       (0 << 13)
 #define PLL_REF_INPUT_TVCLKINA      (1 << 13)   /* i830 */
 #define PLL_REF_INPUT_TVCLKINBC     (2 << 13)   /* SDVO
                                  * TVCLKIN */
 #define PLLB_REF_INPUT_SPREADSPECTRUMIN (3 << 13)
 #define PLL_REF_INPUT_MASK      (3 << 13)
 #define PLL_LOAD_PULSE_PHASE_SHIFT  9
 /*
  * Parallel to Serial Load Pulse phase selection.
  * Selects the phase for the 10X DPLL clock for the PCIe
  * digital display port. The range is 4 to 13; 10 or more
  * is just a flip delay. The default is 6
  */
 #define PLL_LOAD_PULSE_PHASE_MASK   (0xf << PLL_LOAD_PULSE_PHASE_SHIFT)
 #define DISPLAY_RATE_SELECT_FPA1    (1 << 8)
 
 /*
  * SDVO multiplier for 945G/GM. Not used on 965.
  *
  * DPLL_MD_UDI_MULTIPLIER_MASK
  */
 #define SDVO_MULTIPLIER_MASK        0x000000ff
 #define SDVO_MULTIPLIER_SHIFT_HIRES 4
 #define SDVO_MULTIPLIER_SHIFT_VGA   0
 
 /*
  * PLL_MD
  */
 /* Pipe A SDVO/UDI clock multiplier/divider register for G965. */
 #define DPLL_A_MD       0x0601c
 /* Pipe B SDVO/UDI clock multiplier/divider register for G965. */
 #define DPLL_B_MD       0x06020
 /*
  * UDI pixel divider, controlling how many pixels are stuffed into a packet.
  *
  * Value is pixels minus 1.  Must be set to 1 pixel for SDVO.
  */
 #define DPLL_MD_UDI_DIVIDER_MASK    0x3f000000
 #define DPLL_MD_UDI_DIVIDER_SHIFT   24
 /* UDI pixel divider for VGA, same as DPLL_MD_UDI_DIVIDER_MASK. */
 #define DPLL_MD_VGA_UDI_DIVIDER_MASK    0x003f0000
 #define DPLL_MD_VGA_UDI_DIVIDER_SHIFT   16
 /*
  * SDVO/UDI pixel multiplier.
  *
  * SDVO requires that the bus clock rate be between 1 and 2 Ghz, and the bus
  * clock rate is 10 times the DPLL clock.  At low resolution/refresh rate
  * modes, the bus rate would be below the limits, so SDVO allows for stuffing
  * dummy bytes in the datastream at an increased clock rate, with both sides of
  * the link knowing how many bytes are fill.
  *
  * So, for a mode with a dotclock of 65Mhz, we would want to double the clock
  * rate to 130Mhz to get a bus rate of 1.30Ghz.  The DPLL clock rate would be
  * set to 130Mhz, and the SDVO multiplier set to 2x in this register and
  * through an SDVO command.
  *
  * This register field has values of multiplication factor minus 1, with
  * a maximum multiplier of 5 for SDVO.
  */
 #define DPLL_MD_UDI_MULTIPLIER_MASK 0x00003f00
 #define DPLL_MD_UDI_MULTIPLIER_SHIFT    8
 /*
  * SDVO/UDI pixel multiplier for VGA, same as DPLL_MD_UDI_MULTIPLIER_MASK.
  * This best be set to the default value (3) or the CRT won't work. No,
  * I don't entirely understand what this does...
  */
 #define DPLL_MD_VGA_UDI_MULTIPLIER_MASK 0x0000003f
 #define DPLL_MD_VGA_UDI_MULTIPLIER_SHIFT 0
 
 #define DPLL_TEST       0x606c
 #define DPLLB_TEST_SDVO_DIV_1       (0 << 22)
 #define DPLLB_TEST_SDVO_DIV_2       (1 << 22)
 #define DPLLB_TEST_SDVO_DIV_4       (2 << 22)
 #define DPLLB_TEST_SDVO_DIV_MASK    (3 << 22)
 #define DPLLB_TEST_N_BYPASS     (1 << 19)
 #define DPLLB_TEST_M_BYPASS     (1 << 18)
 #define DPLLB_INPUT_BUFFER_ENABLE   (1 << 16)
 #define DPLLA_TEST_N_BYPASS     (1 << 3)
 #define DPLLA_TEST_M_BYPASS     (1 << 2)
 #define DPLLA_INPUT_BUFFER_ENABLE   (1 << 0)
 
 #define ADPA            0x61100
 #define ADPA_DAC_ENABLE         (1 << 31)
 #define ADPA_DAC_DISABLE        0
 #define ADPA_PIPE_SELECT_MASK       (1 << 30)
 #define ADPA_PIPE_A_SELECT      0
 #define ADPA_PIPE_B_SELECT      (1 << 30)
 #define ADPA_USE_VGA_HVPOLARITY     (1 << 15)
 #define ADPA_SETS_HVPOLARITY        0
 #define ADPA_VSYNC_CNTL_DISABLE     (1 << 11)
 #define ADPA_VSYNC_CNTL_ENABLE      0
 #define ADPA_HSYNC_CNTL_DISABLE     (1 << 10)
 #define ADPA_HSYNC_CNTL_ENABLE      0
 #define ADPA_VSYNC_ACTIVE_HIGH      (1 << 4)
 #define ADPA_VSYNC_ACTIVE_LOW       0
 #define ADPA_HSYNC_ACTIVE_HIGH      (1 << 3)
 #define ADPA_HSYNC_ACTIVE_LOW       0
 
 #define FPA0            0x06040
 #define FPA1            0x06044
 #define FPB0            0x06048
 #define FPB1            0x0604c
 #define FP_N_DIV_MASK           0x003f0000
 #define FP_N_DIV_SHIFT          16
 #define FP_M1_DIV_MASK          0x00003f00
 #define FP_M1_DIV_SHIFT         8
 #define FP_M2_DIV_MASK          0x0000003f
 #define FP_M2_DIV_SHIFT         0
 
 #define PORT_HOTPLUG_EN     0x61110
 #define HDMIB_HOTPLUG_INT_EN        (1 << 29)
 #define HDMIC_HOTPLUG_INT_EN        (1 << 28)
 #define HDMID_HOTPLUG_INT_EN        (1 << 27)
 #define SDVOB_HOTPLUG_INT_EN        (1 << 26)
 #define SDVOC_HOTPLUG_INT_EN        (1 << 25)
 #define TV_HOTPLUG_INT_EN       (1 << 18)
 #define CRT_HOTPLUG_INT_EN      (1 << 9)
 #define CRT_HOTPLUG_FORCE_DETECT    (1 << 3)
 /* CDV.. */
 #define CRT_HOTPLUG_ACTIVATION_PERIOD_64    (1 << 8)
 #define CRT_HOTPLUG_DAC_ON_TIME_2M      (0 << 7)
 #define CRT_HOTPLUG_DAC_ON_TIME_4M      (1 << 7)
 #define CRT_HOTPLUG_VOLTAGE_COMPARE_40      (0 << 5)
 #define CRT_HOTPLUG_VOLTAGE_COMPARE_50      (1 << 5)
 #define CRT_HOTPLUG_VOLTAGE_COMPARE_60      (2 << 5)
 #define CRT_HOTPLUG_VOLTAGE_COMPARE_70      (3 << 5)
 #define CRT_HOTPLUG_VOLTAGE_COMPARE_MASK    (3 << 5)
 #define CRT_HOTPLUG_DETECT_DELAY_1G     (0 << 4)
 #define CRT_HOTPLUG_DETECT_DELAY_2G     (1 << 4)
 #define CRT_HOTPLUG_DETECT_VOLTAGE_325MV    (0 << 2)
 #define CRT_HOTPLUG_DETECT_VOLTAGE_475MV    (1 << 2)
 #define CRT_HOTPLUG_DETECT_MASK         0x000000F8
 
 #define PORT_HOTPLUG_STAT   0x61114
 #define CRT_HOTPLUG_INT_STATUS      (1 << 11)
 #define TV_HOTPLUG_INT_STATUS       (1 << 10)
 #define CRT_HOTPLUG_MONITOR_MASK    (3 << 8)
 #define CRT_HOTPLUG_MONITOR_COLOR   (3 << 8)
 #define CRT_HOTPLUG_MONITOR_MONO    (2 << 8)
 #define CRT_HOTPLUG_MONITOR_NONE    (0 << 8)
 #define SDVOC_HOTPLUG_INT_STATUS    (1 << 7)
 #define SDVOB_HOTPLUG_INT_STATUS    (1 << 6)
 
 #define SDVOB           0x61140
 #define SDVOC           0x61160
 #define SDVO_ENABLE         (1 << 31)
 #define SDVO_PIPE_B_SELECT      (1 << 30)
 #define SDVO_STALL_SELECT       (1 << 29)
 #define SDVO_INTERRUPT_ENABLE       (1 << 26)
 #define SDVO_COLOR_RANGE_16_235     (1 << 8)
 #define SDVO_AUDIO_ENABLE       (1 << 6)
 
 /**
  * 915G/GM SDVO pixel multiplier.
  *
  * Programmed value is multiplier - 1, up to 5x.
  *
  * DPLL_MD_UDI_MULTIPLIER_MASK
  */
 #define SDVO_PORT_MULTIPLY_MASK     (7 << 23)
 #define SDVO_PORT_MULTIPLY_SHIFT    23
 #define SDVO_PHASE_SELECT_MASK      (15 << 19)
 #define SDVO_PHASE_SELECT_DEFAULT   (6 << 19)
 #define SDVO_CLOCK_OUTPUT_INVERT    (1 << 18)
 #define SDVOC_GANG_MODE         (1 << 16)
 #define SDVO_BORDER_ENABLE      (1 << 7)
 #define SDVOB_PCIE_CONCURRENCY      (1 << 3)
 #define SDVO_DETECTED           (1 << 2)
 /* Bits to be preserved when writing */
 #define SDVOB_PRESERVE_MASK     ((1 << 17) | (1 << 16) | (1 << 14))
 #define SDVOC_PRESERVE_MASK     (1 << 17)
 
 /*
  * This register controls the LVDS output enable, pipe selection, and data
  * format selection.
  *
  * All of the clock/data pairs are force powered down by power sequencing.
  */
 #define LVDS            0x61180
 /*
  * Enables the LVDS port.  This bit must be set before DPLLs are enabled, as
  * the DPLL semantics change when the LVDS is assigned to that pipe.
  */
 #define LVDS_PORT_EN            (1 << 31)
 /* Selects pipe B for LVDS data.  Must be set on pre-965. */
 #define LVDS_PIPEB_SELECT       (1 << 30)
 
 /* Turns on border drawing to allow centered display. */
 #define LVDS_BORDER_EN          (1 << 15)
 
 /*
  * Enables the A0-A2 data pairs and CLKA, containing 18 bits of color data per
  * pixel.
  */
 #define LVDS_A0A2_CLKA_POWER_MASK   (3 << 8)
 #define LVDS_A0A2_CLKA_POWER_DOWN   (0 << 8)
 #define LVDS_A0A2_CLKA_POWER_UP     (3 << 8)
 /*
  * Controls the A3 data pair, which contains the additional LSBs for 24 bit
  * mode.  Only enabled if LVDS_A0A2_CLKA_POWER_UP also indicates it should be
  * on.
  */
 #define LVDS_A3_POWER_MASK      (3 << 6)
 #define LVDS_A3_POWER_DOWN      (0 << 6)
 #define LVDS_A3_POWER_UP        (3 << 6)
 /*
  * Controls the CLKB pair.  This should only be set when LVDS_B0B3_POWER_UP
  * is set.
  */
 #define LVDS_CLKB_POWER_MASK        (3 << 4)
 #define LVDS_CLKB_POWER_DOWN        (0 << 4)
 #define LVDS_CLKB_POWER_UP      (3 << 4)
 /*
  * Controls the B0-B3 data pairs.  This must be set to match the DPLL p2
  * setting for whether we are in dual-channel mode.  The B3 pair will
  * additionally only be powered up when LVDS_A3_POWER_UP is set.
  */
 #define LVDS_B0B3_POWER_MASK        (3 << 2)
 #define LVDS_B0B3_POWER_DOWN        (0 << 2)
 #define LVDS_B0B3_POWER_UP      (3 << 2)
 
 #define PIPEACONF       0x70008
 #define PIPEACONF_ENABLE        (1 << 31)
 #define PIPEACONF_DISABLE       0
 #define PIPEACONF_DOUBLE_WIDE       (1 << 30)
 #define PIPECONF_ACTIVE         (1 << 30)
 #define PIPECONF_DSIPLL_LOCK        (1 << 29)
 #define PIPEACONF_SINGLE_WIDE       0
 #define PIPEACONF_PIPE_UNLOCKED     0
 #define PIPEACONF_DSR           (1 << 26)
 #define PIPEACONF_PIPE_LOCKED       (1 << 25)
 #define PIPEACONF_PALETTE       0
 #define PIPECONF_FORCE_BORDER       (1 << 25)
 #define PIPEACONF_GAMMA         (1 << 24)
 #define PIPECONF_PROGRESSIVE        (0 << 21)
 #define PIPECONF_INTERLACE_W_FIELD_INDICATION   (6 << 21)
 #define PIPECONF_INTERLACE_FIELD_0_ONLY     (7 << 21)
 #define PIPECONF_PLANE_OFF      (1 << 19)
 #define PIPECONF_CURSOR_OFF     (1 << 18)
 
 #define PIPEBCONF       0x71008
 #define PIPEBCONF_ENABLE        (1 << 31)
 #define PIPEBCONF_DISABLE       0
 #define PIPEBCONF_DOUBLE_WIDE       (1 << 30)
 #define PIPEBCONF_DISABLE       0
 #define PIPEBCONF_GAMMA         (1 << 24)
 #define PIPEBCONF_PALETTE       0
 
 #define PIPECCONF       0x72008
 
 #define PIPEBGCMAXRED       0x71010
 #define PIPEBGCMAXGREEN     0x71014
 #define PIPEBGCMAXBLUE      0x71018
 
 #define PIPEASTAT       0x70024
 #define PIPEBSTAT       0x71024
 #define PIPECSTAT       0x72024
 #define PIPE_VBLANK_INTERRUPT_STATUS        (1UL << 1)
 #define PIPE_START_VBLANK_INTERRUPT_STATUS  (1UL << 2)
 #define PIPE_VBLANK_CLEAR           (1 << 1)
 #define PIPE_VBLANK_STATUS          (1 << 1)
 #define PIPE_TE_STATUS              (1UL << 6)
 #define PIPE_DPST_EVENT_STATUS          (1UL << 7)
 #define PIPE_VSYNC_CLEAR            (1UL << 9)
 #define PIPE_VSYNC_STATUS           (1UL << 9)
 #define PIPE_HDMI_AUDIO_UNDERRUN_STATUS     (1UL << 10)
 #define PIPE_HDMI_AUDIO_BUFFER_DONE_STATUS  (1UL << 11)
 #define PIPE_VBLANK_INTERRUPT_ENABLE        (1UL << 17)
 #define PIPE_START_VBLANK_INTERRUPT_ENABLE  (1UL << 18)
 #define PIPE_TE_ENABLE              (1UL << 22)
 #define PIPE_LEGACY_BLC_EVENT_ENABLE        (1UL << 22)
 #define PIPE_DPST_EVENT_ENABLE          (1UL << 23)
 #define PIPE_VSYNC_ENABL            (1UL << 25)
 #define PIPE_HDMI_AUDIO_UNDERRUN        (1UL << 26)
 #define PIPE_HDMI_AUDIO_BUFFER_DONE     (1UL << 27)
 #define PIPE_FIFO_UNDERRUN          (1UL << 31)
 #define PIPE_HDMI_AUDIO_INT_MASK        (PIPE_HDMI_AUDIO_UNDERRUN | \
                         PIPE_HDMI_AUDIO_BUFFER_DONE)
 #define PIPE_EVENT_MASK ((1 << 29)|(1 << 28)|(1 << 27)|(1 << 26)|(1 << 24)|(1 << 23)|(1 << 22)|(1 << 21)|(1 << 20)|(1 << 16))
 #define PIPE_VBLANK_MASK ((1 << 25)|(1 << 24)|(1 << 18)|(1 << 17))
 #define HISTOGRAM_INT_CONTROL       0x61268
 #define HISTOGRAM_BIN_DATA      0X61264
 #define HISTOGRAM_LOGIC_CONTROL     0x61260
 #define PWM_CONTROL_LOGIC       0x61250
 #define PIPE_HOTPLUG_INTERRUPT_STATUS       (1UL << 10)
 #define HISTOGRAM_INTERRUPT_ENABLE      (1UL << 31)
 #define HISTOGRAM_LOGIC_ENABLE          (1UL << 31)
 #define PWM_LOGIC_ENABLE            (1UL << 31)
 #define PWM_PHASEIN_ENABLE          (1UL << 25)
 #define PWM_PHASEIN_INT_ENABLE          (1UL << 24)
 #define PWM_PHASEIN_VB_COUNT            0x00001f00
 #define PWM_PHASEIN_INC             0x0000001f
 #define HISTOGRAM_INT_CTRL_CLEAR        (1UL << 30)
 #define DPST_YUV_LUMA_MODE          0
 
 #define PIPEAFRAMEHIGH      0x70040
 #define PIPEAFRAMEPIXEL     0x70044
 #define PIPEBFRAMEHIGH      0x71040
 #define PIPEBFRAMEPIXEL     0x71044
 #define PIPECFRAMEHIGH      0x72040
 #define PIPECFRAMEPIXEL     0x72044
 #define PIPE_FRAME_HIGH_MASK    0x0000ffff
 #define PIPE_FRAME_HIGH_SHIFT   0
 #define PIPE_FRAME_LOW_MASK 0xff000000
 #define PIPE_FRAME_LOW_SHIFT    24
 #define PIPE_PIXEL_MASK     0x00ffffff
 #define PIPE_PIXEL_SHIFT    0
 
 #define FW_BLC_SELF     0x20e0
 #define FW_BLC_SELF_EN          (1<<15)
 
 #define DSPARB          0x70030
 #define DSPFW1          0x70034
 #define DSP_FIFO_SR_WM_MASK     0xFF800000
 #define DSP_FIFO_SR_WM_SHIFT        23
 #define CURSOR_B_FIFO_WM_MASK       0x003F0000
 #define CURSOR_B_FIFO_WM_SHIFT      16
 #define DSPFW2          0x70038
 #define CURSOR_A_FIFO_WM_MASK       0x3F00
 #define CURSOR_A_FIFO_WM_SHIFT      8
 #define DSP_PLANE_C_FIFO_WM_MASK    0x7F
 #define DSP_PLANE_C_FIFO_WM_SHIFT   0
 #define DSPFW3          0x7003c
 #define DSPFW4          0x70050
 #define DSPFW5          0x70054
 #define DSP_PLANE_B_FIFO_WM1_SHIFT  24
 #define DSP_PLANE_A_FIFO_WM1_SHIFT  16
 #define CURSOR_B_FIFO_WM1_SHIFT     8
 #define CURSOR_FIFO_SR_WM1_SHIFT    0
 #define DSPFW6          0x70058
 #define DSPCHICKENBIT       0x70400
 #define DSPACNTR        0x70180
 #define DSPBCNTR        0x71180
 #define DSPCCNTR        0x72180
 #define DISPLAY_PLANE_ENABLE            (1 << 31)
 #define DISPLAY_PLANE_DISABLE           0
 #define DISPPLANE_GAMMA_ENABLE          (1 << 30)
 #define DISPPLANE_GAMMA_DISABLE         0
 #define DISPPLANE_PIXFORMAT_MASK        (0xf << 26)
 #define DISPPLANE_8BPP              (0x2 << 26)
 #define DISPPLANE_15_16BPP          (0x4 << 26)
 #define DISPPLANE_16BPP             (0x5 << 26)
 #define DISPPLANE_32BPP_NO_ALPHA        (0x6 << 26)
 #define DISPPLANE_32BPP             (0x7 << 26)
 #define DISPPLANE_STEREO_ENABLE         (1 << 25)
 #define DISPPLANE_STEREO_DISABLE        0
 #define DISPPLANE_SEL_PIPE_MASK         (1 << 24)
 #define DISPPLANE_SEL_PIPE_POS          24
 #define DISPPLANE_SEL_PIPE_A            0
 #define DISPPLANE_SEL_PIPE_B            (1 << 24)
 #define DISPPLANE_SRC_KEY_ENABLE        (1 << 22)
 #define DISPPLANE_SRC_KEY_DISABLE       0
 #define DISPPLANE_LINE_DOUBLE           (1 << 20)
 #define DISPPLANE_NO_LINE_DOUBLE        0
 #define DISPPLANE_STEREO_POLARITY_FIRST     0
 #define DISPPLANE_STEREO_POLARITY_SECOND    (1 << 18)
 /* plane B only */
 #define DISPPLANE_ALPHA_TRANS_ENABLE        (1 << 15)
 #define DISPPLANE_ALPHA_TRANS_DISABLE       0
 #define DISPPLANE_SPRITE_ABOVE_DISPLAYA     0
 #define DISPPLANE_SPRITE_ABOVE_OVERLAY      (1)
 #define DISPPLANE_BOTTOM            (4)
 
 #define DSPABASE        0x70184
 #define DSPALINOFF      0x70184
 #define DSPASTRIDE      0x70188
 
 #define DSPBBASE        0x71184
 #define DSPBLINOFF      0X71184
 #define DSPBADDR        DSPBBASE
 #define DSPBSTRIDE      0x71188
 
 #define DSPCBASE        0x72184
 #define DSPCLINOFF      0x72184
 #define DSPCSTRIDE      0x72188
 
 #define DSPAKEYVAL      0x70194
 #define DSPAKEYMASK     0x70198
 
 #define DSPAPOS         0x7018C /* reserved */
 #define DSPASIZE        0x70190
 #define DSPBPOS         0x7118C
 #define DSPBSIZE        0x71190
 #define DSPCPOS         0x7218C
 #define DSPCSIZE        0x72190
 
 #define DSPASURF        0x7019C
 #define DSPATILEOFF     0x701A4
 
 #define DSPBSURF        0x7119C
 #define DSPBTILEOFF     0x711A4
 
 #define DSPCSURF        0x7219C
 #define DSPCTILEOFF     0x721A4
 #define DSPCKEYMAXVAL       0x721A0
 #define DSPCKEYMINVAL       0x72194
 #define DSPCKEYMSK      0x72198
 
 #define VGACNTRL        0x71400
 #define VGA_DISP_DISABLE        (1 << 31)
 #define VGA_2X_MODE         (1 << 30)
 #define VGA_PIPE_B_SELECT       (1 << 29)
 
 /*
  * Overlay registers
  */
 #define OV_C_OFFSET     0x08000
 #define OV_OVADD        0x30000
 #define OV_DOVASTA      0x30008
 # define OV_PIPE_SELECT         ((1 << 6)|(1 << 7))
 # define OV_PIPE_SELECT_POS     6
 # define OV_PIPE_A          0
 # define OV_PIPE_C          1
 #define OV_OGAMC5       0x30010
 #define OV_OGAMC4       0x30014
 #define OV_OGAMC3       0x30018
 #define OV_OGAMC2       0x3001C
 #define OV_OGAMC1       0x30020
 #define OV_OGAMC0       0x30024
 #define OVC_OVADD       0x38000
 #define OVC_DOVCSTA     0x38008
 #define OVC_OGAMC5      0x38010
 #define OVC_OGAMC4      0x38014
 #define OVC_OGAMC3      0x38018
 #define OVC_OGAMC2      0x3801C
 #define OVC_OGAMC1      0x38020
 #define OVC_OGAMC0      0x38024
 
 /*
  * Some BIOS scratch area registers.  The 845 (and 830?) store the amount
  * of video memory available to the BIOS in SWF1.
  */
 #define SWF0            0x71410
 #define SWF1            0x71414
 #define SWF2            0x71418
 #define SWF3            0x7141c
 #define SWF4            0x71420
 #define SWF5            0x71424
 #define SWF6            0x71428
 
 /*
  * 855 scratch registers.
  */
 #define SWF00           0x70410
 #define SWF01           0x70414
 #define SWF02           0x70418
 #define SWF03           0x7041c
 #define SWF04           0x70420
 #define SWF05           0x70424
 #define SWF06           0x70428
 
 #define SWF10           SWF0
 #define SWF11           SWF1
 #define SWF12           SWF2
 #define SWF13           SWF3
 #define SWF14           SWF4
 #define SWF15           SWF5
 #define SWF16           SWF6
 
 #define SWF30           0x72414
 #define SWF31           0x72418
 #define SWF32           0x7241c
 
 
 /*
  * Palette registers
  */
 #define PALETTE_A       0x0a000
 #define PALETTE_B       0x0a800
 #define PALETTE_C       0x0ac00
 
 /* Cursor A & B regs */
 #define CURACNTR        0x70080
 #define CURSOR_MODE_DISABLE     0x00
 #define CURSOR_MODE_64_32B_AX       0x07
 #define CURSOR_MODE_64_ARGB_AX      ((1 << 5) | CURSOR_MODE_64_32B_AX)
 #define MCURSOR_GAMMA_ENABLE        (1 << 26)
 #define CURABASE        0x70084
 #define CURAPOS         0x70088
 #define CURSOR_POS_MASK         0x007FF
 #define CURSOR_POS_SIGN         0x8000
 #define CURSOR_X_SHIFT          0
 #define CURSOR_Y_SHIFT          16
 #define CURBCNTR        0x700c0
 #define CURBBASE        0x700c4
 #define CURBPOS         0x700c8
 #define CURCCNTR        0x700e0
 #define CURCBASE        0x700e4
 #define CURCPOS         0x700e8
 
 /*
  * Interrupt Registers
  */
 #define IER         0x020a0
 #define IIR         0x020a4
 #define IMR         0x020a8
 #define ISR         0x020ac
 
 /*
  * MOORESTOWN delta registers
  */
 #define MRST_DPLL_A     0x0f014
 #define DPLLA_MODE_LVDS         (2 << 26)   /* mrst */
 #define MRST_FPA0       0x0f040
 #define MRST_FPA1       0x0f044
 #define MRST_PERF_MODE      0x020f4
 
 /*
  * MEDFIELD HDMI registers
  */
 #define HDMIPHYMISCCTL      0x61134
 #define HDMI_PHY_POWER_DOWN     0x7f
 #define HDMIB_CONTROL       0x61140
 #define HDMIB_PORT_EN           (1 << 31)
 #define HDMIB_PIPE_B_SELECT     (1 << 30)
 #define HDMIB_NULL_PACKET       (1 << 9)
 #define HDMIB_HDCP_PORT         (1 << 5)
 
 /* #define LVDS         0x61180 */
 #define MRST_PANEL_8TO6_DITHER_ENABLE   (1 << 25)
 #define MRST_PANEL_24_DOT_1_FORMAT  (1 << 24)
 #define LVDS_A3_POWER_UP_0_OUTPUT   (1 << 6)
 
 #define MIPI            0x61190
 #define MIPI_C          0x62190
 #define MIPI_PORT_EN            (1 << 31)
 /* Turns on border drawing to allow centered display. */
 #define SEL_FLOPPED_HSTX        (1 << 23)
 #define PASS_FROM_SPHY_TO_AFE       (1 << 16)
 #define MIPI_BORDER_EN          (1 << 15)
 #define MIPIA_3LANE_MIPIC_1LANE     0x1
 #define MIPIA_2LANE_MIPIC_2LANE     0x2
 #define TE_TRIGGER_DSI_PROTOCOL     (1 << 2)
 #define TE_TRIGGER_GPIO_PIN     (1 << 3)
 #define MIPI_TE_COUNT       0x61194
 
 /* #define PP_CONTROL   0x61204 */
 #define POWER_DOWN_ON_RESET     (1 << 1)
 
 /* #define PFIT_CONTROL 0x61230 */
 #define PFIT_PIPE_SELECT        (3 << 29)
 #define PFIT_PIPE_SELECT_SHIFT      (29)
 
 /* #define BLC_PWM_CTL      0x61254 */
 #define MRST_BACKLIGHT_MODULATION_FREQ_SHIFT    (16)
 #define MRST_BACKLIGHT_MODULATION_FREQ_MASK (0xffff << 16)
 
 /* #define PIPEACONF 0x70008 */
 #define PIPEACONF_PIPE_STATE        (1 << 30)
 /* #define DSPACNTR     0x70180 */
 
 #define MRST_DSPABASE       0x7019c
 #define MRST_DSPBBASE       0x7119c
 
 /*
  * Moorestown registers.
  */
 
 /*
  *  MIPI IP registers
  */
 #define MIPIC_REG_OFFSET        0x800
 
 #define DEVICE_READY_REG        0xb000
 #define LP_OUTPUT_HOLD              (1 << 16)
 #define EXIT_ULPS_DEV_READY         0x3
 #define LP_OUTPUT_HOLD_RELEASE          0x810000
 # define ENTERING_ULPS              (2 << 1)
 # define EXITING_ULPS               (1 << 1)
 # define ULPS_MASK              (3 << 1)
 # define BUS_POSSESSION             (1 << 3)
 #define INTR_STAT_REG           0xb004
 #define RX_SOT_ERROR                (1 << 0)
 #define RX_SOT_SYNC_ERROR           (1 << 1)
 #define RX_ESCAPE_MODE_ENTRY_ERROR      (1 << 3)
 #define RX_LP_TX_SYNC_ERROR         (1 << 4)
 #define RX_HS_RECEIVE_TIMEOUT_ERROR     (1 << 5)
 #define RX_FALSE_CONTROL_ERROR          (1 << 6)
 #define RX_ECC_SINGLE_BIT_ERROR         (1 << 7)
 #define RX_ECC_MULTI_BIT_ERROR          (1 << 8)
 #define RX_CHECKSUM_ERROR           (1 << 9)
 #define RX_DSI_DATA_TYPE_NOT_RECOGNIZED     (1 << 10)
 #define RX_DSI_VC_ID_INVALID            (1 << 11)
 #define TX_FALSE_CONTROL_ERROR          (1 << 12)
 #define TX_ECC_SINGLE_BIT_ERROR         (1 << 13)
 #define TX_ECC_MULTI_BIT_ERROR          (1 << 14)
 #define TX_CHECKSUM_ERROR           (1 << 15)
 #define TX_DSI_DATA_TYPE_NOT_RECOGNIZED     (1 << 16)
 #define TX_DSI_VC_ID_INVALID            (1 << 17)
 #define HIGH_CONTENTION             (1 << 18)
 #define LOW_CONTENTION              (1 << 19)
 #define DPI_FIFO_UNDER_RUN          (1 << 20)
 #define HS_TX_TIMEOUT               (1 << 21)
 #define LP_RX_TIMEOUT               (1 << 22)
 #define TURN_AROUND_ACK_TIMEOUT         (1 << 23)
 #define ACK_WITH_NO_ERROR           (1 << 24)
 #define HS_GENERIC_WR_FIFO_FULL         (1 << 27)
 #define LP_GENERIC_WR_FIFO_FULL         (1 << 28)
 #define SPL_PKT_SENT                (1 << 30)
 #define INTR_EN_REG         0xb008
 #define DSI_FUNC_PRG_REG        0xb00c
 #define DPI_CHANNEL_NUMBER_POS          0x03
 #define DBI_CHANNEL_NUMBER_POS          0x05
 #define FMT_DPI_POS             0x07
 #define FMT_DBI_POS             0x0A
 #define DBI_DATA_WIDTH_POS          0x0D
 
 /* DPI PIXEL FORMATS */
 #define RGB_565_FMT             0x01    /* RGB 565 FORMAT */
 #define RGB_666_FMT             0x02    /* RGB 666 FORMAT */
 #define LRGB_666_FMT                0x03    /* RGB LOOSELY PACKED
                              * 666 FORMAT
                              */
 #define RGB_888_FMT             0x04    /* RGB 888 FORMAT */
 #define VIRTUAL_CHANNEL_NUMBER_0        0x00    /* Virtual channel 0 */
 #define VIRTUAL_CHANNEL_NUMBER_1        0x01    /* Virtual channel 1 */
 #define VIRTUAL_CHANNEL_NUMBER_2        0x02    /* Virtual channel 2 */
 #define VIRTUAL_CHANNEL_NUMBER_3        0x03    /* Virtual channel 3 */
 
 #define DBI_NOT_SUPPORTED           0x00    /* command mode
                              * is not supported
                              */
 #define DBI_DATA_WIDTH_16BIT            0x01    /* 16 bit data */
 #define DBI_DATA_WIDTH_9BIT         0x02    /* 9 bit data */
 #define DBI_DATA_WIDTH_8BIT         0x03    /* 8 bit data */
 #define DBI_DATA_WIDTH_OPT1         0x04    /* option 1 */
 #define DBI_DATA_WIDTH_OPT2         0x05    /* option 2 */
 
 #define HS_TX_TIMEOUT_REG       0xb010
 #define LP_RX_TIMEOUT_REG       0xb014
 #define TURN_AROUND_TIMEOUT_REG     0xb018
 #define DEVICE_RESET_REG        0xb01C
 #define DPI_RESOLUTION_REG      0xb020
 #define RES_V_POS               0x10
 #define HORIZ_SYNC_PAD_COUNT_REG    0xb028
 #define HORIZ_BACK_PORCH_COUNT_REG  0xb02C
 #define HORIZ_FRONT_PORCH_COUNT_REG 0xb030
 #define HORIZ_ACTIVE_AREA_COUNT_REG 0xb034
 #define VERT_SYNC_PAD_COUNT_REG     0xb038
 #define VERT_BACK_PORCH_COUNT_REG   0xb03c
 #define VERT_FRONT_PORCH_COUNT_REG  0xb040
 #define HIGH_LOW_SWITCH_COUNT_REG   0xb044
 #define DPI_CONTROL_REG         0xb048
 #define DPI_SHUT_DOWN               (1 << 0)
 #define DPI_TURN_ON             (1 << 1)
 #define DPI_COLOR_MODE_ON           (1 << 2)
 #define DPI_COLOR_MODE_OFF          (1 << 3)
 #define DPI_BACK_LIGHT_ON           (1 << 4)
 #define DPI_BACK_LIGHT_OFF          (1 << 5)
 #define DPI_LP                  (1 << 6)
 #define DPI_DATA_REG            0xb04c
 #define DPI_BACK_LIGHT_ON_DATA          0x07
 #define DPI_BACK_LIGHT_OFF_DATA         0x17
 #define INIT_COUNT_REG          0xb050
 #define MAX_RET_PAK_REG         0xb054
 #define VIDEO_FMT_REG           0xb058
 #define COMPLETE_LAST_PCKT          (1 << 2)
 #define EOT_DISABLE_REG         0xb05c
 #define ENABLE_CLOCK_STOPPING           (1 << 1)
 #define LP_BYTECLK_REG          0xb060
 #define LP_GEN_DATA_REG         0xb064
 #define HS_GEN_DATA_REG         0xb068
 #define LP_GEN_CTRL_REG         0xb06C
 #define HS_GEN_CTRL_REG         0xb070
 #define DCS_CHANNEL_NUMBER_POS      0x6
 #define MCS_COMMANDS_POS        0x8
 #define WORD_COUNTS_POS         0x8
 #define MCS_PARAMETER_POS           0x10
 #define GEN_FIFO_STAT_REG       0xb074
 #define HS_DATA_FIFO_FULL           (1 << 0)
 #define HS_DATA_FIFO_HALF_EMPTY         (1 << 1)
 #define HS_DATA_FIFO_EMPTY          (1 << 2)
 #define LP_DATA_FIFO_FULL           (1 << 8)
 #define LP_DATA_FIFO_HALF_EMPTY         (1 << 9)
 #define LP_DATA_FIFO_EMPTY          (1 << 10)
 #define HS_CTRL_FIFO_FULL           (1 << 16)
 #define HS_CTRL_FIFO_HALF_EMPTY         (1 << 17)
 #define HS_CTRL_FIFO_EMPTY          (1 << 18)
 #define LP_CTRL_FIFO_FULL           (1 << 24)
 #define LP_CTRL_FIFO_HALF_EMPTY         (1 << 25)
 #define LP_CTRL_FIFO_EMPTY          (1 << 26)
 #define DBI_FIFO_EMPTY              (1 << 27)
 #define DPI_FIFO_EMPTY              (1 << 28)
 #define HS_LS_DBI_ENABLE_REG        0xb078
 #define TXCLKESC_REG            0xb07c
 #define DPHY_PARAM_REG          0xb080
 #define DBI_BW_CTRL_REG         0xb084
 #define CLK_LANE_SWT_REG        0xb088
 
 /*
  * MIPI Adapter registers
  */
 #define MIPI_CONTROL_REG        0xb104
 #define MIPI_2X_CLOCK_BITS          ((1 << 0) | (1 << 1))
 #define MIPI_DATA_ADDRESS_REG       0xb108
 #define MIPI_DATA_LENGTH_REG        0xb10C
 #define MIPI_COMMAND_ADDRESS_REG    0xb110
 #define MIPI_COMMAND_LENGTH_REG     0xb114
 #define MIPI_READ_DATA_RETURN_REG0  0xb118
 #define MIPI_READ_DATA_RETURN_REG1  0xb11C
 #define MIPI_READ_DATA_RETURN_REG2  0xb120
 #define MIPI_READ_DATA_RETURN_REG3  0xb124
 #define MIPI_READ_DATA_RETURN_REG4  0xb128
 #define MIPI_READ_DATA_RETURN_REG5  0xb12C
 #define MIPI_READ_DATA_RETURN_REG6  0xb130
 #define MIPI_READ_DATA_RETURN_REG7  0xb134
 #define MIPI_READ_DATA_VALID_REG    0xb138
 
 /* DBI COMMANDS */
 #define soft_reset          0x01
 /*
  *  The display module performs a software reset.
  *  Registers are written with their SW Reset default values.
  */
 #define get_power_mode          0x0a
 /*
  *  The display module returns the current power mode
  */
 #define get_address_mode        0x0b
 /*
  *  The display module returns the current status.
  */
 #define get_pixel_format        0x0c
 /*
  *  This command gets the pixel format for the RGB image data
  *  used by the interface.
  */
 #define get_display_mode        0x0d
 /*
  *  The display module returns the Display Image Mode status.
  */
 #define get_signal_mode         0x0e
 /*
  *  The display module returns the Display Signal Mode.
  */
 #define get_diagnostic_result       0x0f
 /*
  *  The display module returns the self-diagnostic results following
  *  a Sleep Out command.
  */
 #define enter_sleep_mode        0x10
 /*
  *  This command causes the display module to enter the Sleep mode.
  *  In this mode, all unnecessary blocks inside the display module are
  *  disabled except interface communication. This is the lowest power
  *  mode the display module supports.
  */
 #define exit_sleep_mode         0x11
 /*
  *  This command causes the display module to exit Sleep mode.
  *  All blocks inside the display module are enabled.
  */
 #define enter_partial_mode      0x12
 /*
  *  This command causes the display module to enter the Partial Display
  *  Mode. The Partial Display Mode window is described by the
  *  set_partial_area command.
  */
 #define enter_normal_mode       0x13
 /*
  *  This command causes the display module to enter the Normal mode.
  *  Normal Mode is defined as Partial Display mode and Scroll mode are off
  */
 #define exit_invert_mode        0x20
 /*
  *  This command causes the display module to stop inverting the image
  *  data on the display device. The frame memory contents remain unchanged.
  *  No status bits are changed.
  */
 #define enter_invert_mode       0x21
 /*
  *  This command causes the display module to invert the image data only on
  *  the display device. The frame memory contents remain unchanged.
  *  No status bits are changed.
  */
 #define set_gamma_curve         0x26
 /*
  *  This command selects the desired gamma curve for the display device.
  *  Four fixed gamma curves are defined in section DCS spec.
  */
 #define set_display_off         0x28
 /* ************************************************************************* *\
 This command causes the display module to stop displaying the image data
 on the display device. The frame memory contents remain unchanged.
 No status bits are changed.
 \* ************************************************************************* */
 #define set_display_on          0x29
 /* ************************************************************************* *\
 This command causes the display module to start displaying the image data
 on the display device. The frame memory contents remain unchanged.
 No status bits are changed.
 \* ************************************************************************* */
 #define set_column_address      0x2a
 /*
  *  This command defines the column extent of the frame memory accessed by
  *  the hostprocessor with the read_memory_continue and
  *  write_memory_continue commands.
  *  No status bits are changed.
  */
 #define set_page_addr           0x2b
 /*
  *  This command defines the page extent of the frame memory accessed by
  *  the host processor with the write_memory_continue and
  *  read_memory_continue command.
  *  No status bits are changed.
  */
 #define write_mem_start         0x2c
 /*
  *  This command transfers image data from the host processor to the
  *  display modules frame memory starting at the pixel location specified
  *  by preceding set_column_address and set_page_address commands.
  */
 #define set_partial_area        0x30
 /*
  *  This command defines the Partial Display mode s display area.
  *  There are two parameters associated with this command, the first
  *  defines the Start Row (SR) and the second the End Row (ER). SR and ER
  *  refer to the Frame Memory Line Pointer.
  */
 #define set_scroll_area         0x33
 /*
  *  This command defines the display modules Vertical Scrolling Area.
  */
 #define set_tear_off            0x34
 /*
  *  This command turns off the display modules Tearing Effect output
  *  signal on the TE signal line.
  */
 #define set_tear_on         0x35
 /*
  *  This command turns on the display modules Tearing Effect output signal
  *  on the TE signal line.
  */
 #define set_address_mode        0x36
 /*
  *  This command sets the data order for transfers from the host processor
  *  to display modules frame memory,bits B[7:5] and B3, and from the
  *  display modules frame memory to the display device, bits B[2:0] and B4.
  */
 #define set_scroll_start        0x37
 /*
  *  This command sets the start of the vertical scrolling area in the frame
  *  memory. The vertical scrolling area is fully defined when this command
  *  is used with the set_scroll_area command The set_scroll_start command
  *  has one parameter, the Vertical Scroll Pointer. The VSP defines the
  *  line in the frame memory that is written to the display device as the
  *  first line of the vertical scroll area.
  */
 #define exit_idle_mode          0x38
 /*
  *  This command causes the display module to exit Idle mode.
  */
 #define enter_idle_mode         0x39
 /*
  *  This command causes the display module to enter Idle Mode.
  *  In Idle Mode, color expression is reduced. Colors are shown on the
  *  display device using the MSB of each of the R, G and B color
  *  components in the frame memory
  */
 #define set_pixel_format        0x3a
 /*
  *  This command sets the pixel format for the RGB image data used by the
  *  interface.
  *  Bits D[6:4]  DPI Pixel Format Definition
  *  Bits D[2:0]  DBI Pixel Format Definition
  *  Bits D7 and D3 are not used.
  */
 #define DCS_PIXEL_FORMAT_3bpp       0x1
 #define DCS_PIXEL_FORMAT_8bpp       0x2
 #define DCS_PIXEL_FORMAT_12bpp      0x3
 #define DCS_PIXEL_FORMAT_16bpp      0x5
 #define DCS_PIXEL_FORMAT_18bpp      0x6
 #define DCS_PIXEL_FORMAT_24bpp      0x7
 
 #define write_mem_cont          0x3c
 
 /*
  *  This command transfers image data from the host processor to the
  *  display module's frame memory continuing from the pixel location
  *  following the previous write_memory_continue or write_memory_start
  *  command.
  */
 #define set_tear_scanline       0x44
 /*
  *  This command turns on the display modules Tearing Effect output signal
  *  on the TE signal line when the display module reaches line N.
  */
 #define get_scanline            0x45
 /*
  *  The display module returns the current scanline, N, used to update the
  *   display device. The total number of scanlines on a display device is
  *  defined as VSYNC + VBP + VACT + VFP.The first scanline is defined as
  *  the first line of V Sync and is denoted as Line 0.
  *  When in Sleep Mode, the value returned by get_scanline is undefined.
  */
 
 /* MCS or Generic COMMANDS */
 /* MCS/generic data type */
 #define GEN_SHORT_WRITE_0   0x03  /* generic short write, no parameters */
 #define GEN_SHORT_WRITE_1   0x13  /* generic short write, 1 parameters */
 #define GEN_SHORT_WRITE_2   0x23  /* generic short write, 2 parameters */
 #define GEN_READ_0      0x04  /* generic read, no parameters */
 #define GEN_READ_1      0x14  /* generic read, 1 parameters */
 #define GEN_READ_2      0x24  /* generic read, 2 parameters */
 #define GEN_LONG_WRITE      0x29  /* generic long write */
 #define MCS_SHORT_WRITE_0   0x05  /* MCS short write, no parameters */
 #define MCS_SHORT_WRITE_1   0x15  /* MCS short write, 1 parameters */
 #define MCS_READ        0x06  /* MCS read, no parameters */
 #define MCS_LONG_WRITE      0x39  /* MCS long write */
 /* MCS/generic commands */
 /* TPO MCS */
 #define write_display_profile       0x50
 #define write_display_brightness    0x51
 #define write_ctrl_display      0x53
 #define write_ctrl_cabc         0x55
   #define UI_IMAGE      0x01
   #define STILL_IMAGE       0x02
   #define MOVING_IMAGE      0x03
 #define write_hysteresis        0x57
 #define write_gamma_setting     0x58
 #define write_cabc_min_bright       0x5e
 #define write_kbbc_profile      0x60
 /* TMD MCS */
 #define tmd_write_display_brightness 0x8c
 
 /*
  *  This command is used to control ambient light, panel backlight
  *  brightness and gamma settings.
  */
 #define BRIGHT_CNTL_BLOCK_ON    (1 << 5)
 #define AMBIENT_LIGHT_SENSE_ON  (1 << 4)
 #define DISPLAY_DIMMING_ON  (1 << 3)
 #define BACKLIGHT_ON        (1 << 2)
 #define DISPLAY_BRIGHTNESS_AUTO (1 << 1)
 #define GAMMA_AUTO      (1 << 0)
 
 /* DCS Interface Pixel Formats */
 #define DCS_PIXEL_FORMAT_3BPP   0x1
 #define DCS_PIXEL_FORMAT_8BPP   0x2
 #define DCS_PIXEL_FORMAT_12BPP  0x3
 #define DCS_PIXEL_FORMAT_16BPP  0x5
 #define DCS_PIXEL_FORMAT_18BPP  0x6
 #define DCS_PIXEL_FORMAT_24BPP  0x7
 /* ONE PARAMETER READ DATA */
 #define addr_mode_data      0xfc
 #define diag_res_data       0x00
 #define disp_mode_data      0x23
 #define pxl_fmt_data        0x77
 #define pwr_mode_data       0x74
 #define sig_mode_data       0x00
 /* TWO PARAMETERS READ DATA */
 #define scanline_data1      0xff
 #define scanline_data2      0xff
 #define NON_BURST_MODE_SYNC_PULSE   0x01    /* Non Burst Mode
                          * with Sync Pulse
                          */
 #define NON_BURST_MODE_SYNC_EVENTS  0x02    /* Non Burst Mode
                          * with Sync events
                          */
 #define BURST_MODE          0x03    /* Burst Mode */
 #define DBI_COMMAND_BUFFER_SIZE     0x240   /* 0x32 */    /* 0x120 */
                         /* Allocate at least
                          * 0x100 Byte with 32
                          * byte alignment
                          */
 #define DBI_DATA_BUFFER_SIZE        0x120   /* Allocate at least
                          * 0x100 Byte with 32
                          * byte alignment
                          */
 #define DBI_CB_TIME_OUT         0xFFFF
 
 #define GEN_FB_TIME_OUT         2000
 
 #define SKU_83              0x01
 #define SKU_100             0x02
 #define SKU_100L            0x04
 #define SKU_BYPASS          0x08
 
 /* Some handy macros for playing with bitfields. */
 #define PSB_MASK(high, low) (((1<<((high)-(low)+1))-1)<<(low))
 #define SET_FIELD(value, field) (((value) << field ## _SHIFT) & field ## _MASK)
 #define GET_FIELD(word, field) (((word)  & field ## _MASK) >> field ## _SHIFT)
 
 #define _PIPE(pipe, a, b) ((a) + (pipe)*((b)-(a)))
 
 /* PCI config space */
 
 #define SB_PCKT         0x02100 /* cedarview */
 # define SB_OPCODE_MASK                         PSB_MASK(31, 16)
 # define SB_OPCODE_SHIFT                        16
 # define SB_OPCODE_READ                         0
 # define SB_OPCODE_WRITE                        1
 # define SB_DEST_MASK                           PSB_MASK(15, 8)
 # define SB_DEST_SHIFT                          8
 # define SB_DEST_DPLL                           0x88
 # define SB_BYTE_ENABLE_MASK                    PSB_MASK(7, 4)
 # define SB_BYTE_ENABLE_SHIFT                   4
 # define SB_BUSY                                (1 << 0)
 
 #define DSPCLK_GATE_D       0x6200
 # define VRHUNIT_CLOCK_GATE_DISABLE     (1 << 28) /* Fixed value on CDV */
 # define DPOUNIT_CLOCK_GATE_DISABLE     (1 << 11)
 # define DPIOUNIT_CLOCK_GATE_DISABLE        (1 << 6)
 # define DPUNIT_PIPEB_GATE_DISABLE      (1 << 30)
 # define DPUNIT_PIPEA_GATE_DISABLE      (1 << 25)
 # define DPCUNIT_CLOCK_GATE_DISABLE     (1 << 24)
 # define DPLSUNIT_CLOCK_GATE_DISABLE        (1 << 13)
 
 #define RAMCLK_GATE_D       0x6210
 
 /* 32-bit value read/written from the DPIO reg. */
 #define SB_DATA     0x02104 /* cedarview */
 /* 32-bit address of the DPIO reg to be read/written. */
 #define SB_ADDR     0x02108 /* cedarview */
 #define DPIO_CFG    0x02110 /* cedarview */
 # define DPIO_MODE_SELECT_1         (1 << 3)
 # define DPIO_MODE_SELECT_0         (1 << 2)
 # define DPIO_SFR_BYPASS            (1 << 1)
 /* reset is active low */
 # define DPIO_CMN_RESET_N           (1 << 0)
 
 /* Cedarview sideband registers */
 #define _SB_M_A         0x8008
 #define _SB_M_B         0x8028
 #define SB_M(pipe) _PIPE(pipe, _SB_M_A, _SB_M_B)
 # define SB_M_DIVIDER_MASK          (0xFF << 24)
 # define SB_M_DIVIDER_SHIFT         24
 
 #define _SB_N_VCO_A     0x8014
 #define _SB_N_VCO_B     0x8034
 #define SB_N_VCO(pipe) _PIPE(pipe, _SB_N_VCO_A, _SB_N_VCO_B)
 #define SB_N_VCO_SEL_MASK           PSB_MASK(31, 30)
 #define SB_N_VCO_SEL_SHIFT          30
 #define SB_N_DIVIDER_MASK           PSB_MASK(29, 26)
 #define SB_N_DIVIDER_SHIFT          26
 #define SB_N_CB_TUNE_MASK           PSB_MASK(25, 24)
 #define SB_N_CB_TUNE_SHIFT          24
 
 /* the bit 14:13 is used to select between the different reference clock for Pipe A/B */
 #define SB_REF_DPLLA        0x8010
 #define SB_REF_DPLLB        0x8030
 #define REF_CLK_MASK        (0x3 << 13)
 #define REF_CLK_CORE        (0 << 13)
 #define REF_CLK_DPLL        (1 << 13)
 #define REF_CLK_DPLLA       (2 << 13)
 /* For the DPLL B, it will use the reference clk from DPLL A when using (2 << 13) */
 
 #define _SB_REF_A       0x8018
 #define _SB_REF_B       0x8038
 #define SB_REF_SFR(pipe)    _PIPE(pipe, _SB_REF_A, _SB_REF_B)
 
 #define _SB_P_A         0x801c
 #define _SB_P_B         0x803c
 #define SB_P(pipe) _PIPE(pipe, _SB_P_A, _SB_P_B)
 #define SB_P2_DIVIDER_MASK          PSB_MASK(31, 30)
 #define SB_P2_DIVIDER_SHIFT         30
 #define SB_P2_10                0 /* HDMI, DP, DAC */
 #define SB_P2_5             1 /* DAC */
 #define SB_P2_14                2 /* LVDS single */
 #define SB_P2_7             3 /* LVDS double */
 #define SB_P1_DIVIDER_MASK          PSB_MASK(15, 12)
 #define SB_P1_DIVIDER_SHIFT         12
 
 #define PSB_LANE0       0x120
 #define PSB_LANE1       0x220
 #define PSB_LANE2       0x2320
 #define PSB_LANE3       0x2420
 
 #define LANE_PLL_MASK       (0x7 << 20)
 #define LANE_PLL_ENABLE     (0x3 << 20)
 #define LANE_PLL_PIPE(p)    (((p) == 0) ? (1 << 21) : (0 << 21))
 
 #define DP_B                0x64100
 #define DP_C                0x64200
 
 #define   DP_PORT_EN            (1 << 31)
 #define   DP_PIPEB_SELECT       (1 << 30)
 #define   DP_PIPE_MASK          (1 << 30)
 
 /* Link training mode - select a suitable mode for each stage */
 #define   DP_LINK_TRAIN_PAT_1       (0 << 28)
 #define   DP_LINK_TRAIN_PAT_2       (1 << 28)
 #define   DP_LINK_TRAIN_PAT_IDLE    (2 << 28)
 #define   DP_LINK_TRAIN_OFF     (3 << 28)
 #define   DP_LINK_TRAIN_MASK        (3 << 28)
 #define   DP_LINK_TRAIN_SHIFT       28
 
 /* Signal voltages. These are mostly controlled by the other end */
 #define   DP_VOLTAGE_0_4        (0 << 25)
 #define   DP_VOLTAGE_0_6        (1 << 25)
 #define   DP_VOLTAGE_0_8        (2 << 25)
 #define   DP_VOLTAGE_1_2        (3 << 25)
 #define   DP_VOLTAGE_MASK       (7 << 25)
 #define   DP_VOLTAGE_SHIFT      25
 
 /* Signal pre-emphasis levels, like voltages, the other end tells us what
  * they want
  */
 #define   DP_PRE_EMPHASIS_0     (0 << 22)
 #define   DP_PRE_EMPHASIS_3_5       (1 << 22)
 #define   DP_PRE_EMPHASIS_6     (2 << 22)
 #define   DP_PRE_EMPHASIS_9_5       (3 << 22)
 #define   DP_PRE_EMPHASIS_MASK      (7 << 22)
 #define   DP_PRE_EMPHASIS_SHIFT     22
 
 /* How many wires to use. I guess 3 was too hard */
 #define   DP_PORT_WIDTH_1       (0 << 19)
 #define   DP_PORT_WIDTH_2       (1 << 19)
 #define   DP_PORT_WIDTH_4       (3 << 19)
 #define   DP_PORT_WIDTH_MASK        (7 << 19)
 
 /* Mystic DPCD version 1.1 special mode */
 #define   DP_ENHANCED_FRAMING       (1 << 18)
 
 /** locked once port is enabled */
 #define   DP_PORT_REVERSAL      (1 << 15)
 
 /** sends the clock on lane 15 of the PEG for debug */
 #define   DP_CLOCK_OUTPUT_ENABLE    (1 << 13)
 
 #define   DP_SCRAMBLING_DISABLE     (1 << 12)
 #define   DP_SCRAMBLING_DISABLE_IRONLAKE    (1 << 7)
 
 /** limit RGB values to avoid confusing TVs */
 #define   DP_COLOR_RANGE_16_235     (1 << 8)
 
 /** Turn on the audio link */
 #define   DP_AUDIO_OUTPUT_ENABLE    (1 << 6)
 
 /** vs and hs sync polarity */
 #define   DP_SYNC_VS_HIGH       (1 << 4)
 #define   DP_SYNC_HS_HIGH       (1 << 3)
 
 /** A fantasy */
 #define   DP_DETECTED           (1 << 2)
 
 /** The aux channel provides a way to talk to the
  * signal sink for DDC etc. Max packet size supported
  * is 20 bytes in each direction, hence the 5 fixed
  * data registers
  */
 #define DPB_AUX_CH_CTL          0x64110
 #define DPB_AUX_CH_DATA1        0x64114
 #define DPB_AUX_CH_DATA2        0x64118
 #define DPB_AUX_CH_DATA3        0x6411c
 #define DPB_AUX_CH_DATA4        0x64120
 #define DPB_AUX_CH_DATA5        0x64124
 
 #define DPC_AUX_CH_CTL          0x64210
 #define DPC_AUX_CH_DATA1        0x64214
 #define DPC_AUX_CH_DATA2        0x64218
 #define DPC_AUX_CH_DATA3        0x6421c
 #define DPC_AUX_CH_DATA4        0x64220
 #define DPC_AUX_CH_DATA5        0x64224
 
 #define   DP_AUX_CH_CTL_SEND_BUSY       (1 << 31)
 #define   DP_AUX_CH_CTL_DONE            (1 << 30)
 #define   DP_AUX_CH_CTL_INTERRUPT       (1 << 29)
 #define   DP_AUX_CH_CTL_TIME_OUT_ERROR      (1 << 28)
 #define   DP_AUX_CH_CTL_TIME_OUT_400us      (0 << 26)
 #define   DP_AUX_CH_CTL_TIME_OUT_600us      (1 << 26)
 #define   DP_AUX_CH_CTL_TIME_OUT_800us      (2 << 26)
 #define   DP_AUX_CH_CTL_TIME_OUT_1600us     (3 << 26)
 #define   DP_AUX_CH_CTL_TIME_OUT_MASK       (3 << 26)
 #define   DP_AUX_CH_CTL_RECEIVE_ERROR       (1 << 25)
 #define   DP_AUX_CH_CTL_MESSAGE_SIZE_MASK    (0x1f << 20)
 #define   DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT   20
 #define   DP_AUX_CH_CTL_PRECHARGE_2US_MASK   (0xf << 16)
 #define   DP_AUX_CH_CTL_PRECHARGE_2US_SHIFT  16
 #define   DP_AUX_CH_CTL_AUX_AKSV_SELECT     (1 << 15)
 #define   DP_AUX_CH_CTL_MANCHESTER_TEST     (1 << 14)
 #define   DP_AUX_CH_CTL_SYNC_TEST       (1 << 13)
 #define   DP_AUX_CH_CTL_DEGLITCH_TEST       (1 << 12)
 #define   DP_AUX_CH_CTL_PRECHARGE_TEST      (1 << 11)
 #define   DP_AUX_CH_CTL_BIT_CLOCK_2X_MASK    (0x7ff)
 #define   DP_AUX_CH_CTL_BIT_CLOCK_2X_SHIFT   0
 
 /*
  * Computing GMCH M and N values for the Display Port link
  *
  * GMCH M/N = dot clock * bytes per pixel / ls_clk * # of lanes
  *
  * ls_clk (we assume) is the DP link clock (1.62 or 2.7 GHz)
  *
  * The GMCH value is used internally
  *
  * bytes_per_pixel is the number of bytes coming out of the plane,
  * which is after the LUTs, so we want the bytes for our color format.
  * For our current usage, this is always 3, one byte for R, G and B.
  */
 
 #define _PIPEA_GMCH_DATA_M          0x70050
 #define _PIPEB_GMCH_DATA_M          0x71050
 
 /* Transfer unit size for display port - 1, default is 0x3f (for TU size 64) */
 #define   PIPE_GMCH_DATA_M_TU_SIZE_MASK     (0x3f << 25)
 #define   PIPE_GMCH_DATA_M_TU_SIZE_SHIFT    25
 
 #define   PIPE_GMCH_DATA_M_MASK         (0xffffff)
 
 #define _PIPEA_GMCH_DATA_N          0x70054
 #define _PIPEB_GMCH_DATA_N          0x71054
 #define   PIPE_GMCH_DATA_N_MASK         (0xffffff)
 
 /*
  * Computing Link M and N values for the Display Port link
  *
  * Link M / N = pixel_clock / ls_clk
  *
  * (the DP spec calls pixel_clock the 'strm_clk')
  *
  * The Link value is transmitted in the Main Stream
  * Attributes and VB-ID.
  */
 
 #define _PIPEA_DP_LINK_M                0x70060
 #define _PIPEB_DP_LINK_M                0x71060
 #define   PIPEA_DP_LINK_M_MASK          (0xffffff)
 
 #define _PIPEA_DP_LINK_N                0x70064
 #define _PIPEB_DP_LINK_N                0x71064
 #define   PIPEA_DP_LINK_N_MASK          (0xffffff)
 
 #define PIPE_GMCH_DATA_M(pipe) _PIPE(pipe, _PIPEA_GMCH_DATA_M, _PIPEB_GMCH_DATA_M)
 #define PIPE_GMCH_DATA_N(pipe) _PIPE(pipe, _PIPEA_GMCH_DATA_N, _PIPEB_GMCH_DATA_N)
 #define PIPE_DP_LINK_M(pipe) _PIPE(pipe, _PIPEA_DP_LINK_M, _PIPEB_DP_LINK_M)
 #define PIPE_DP_LINK_N(pipe) _PIPE(pipe, _PIPEA_DP_LINK_N, _PIPEB_DP_LINK_N)
 
 #define   PIPE_BPC_MASK             (7 << 5)
 #define   PIPE_8BPC             (0 << 5)
 #define   PIPE_10BPC                (1 << 5)
 #define   PIPE_6BPC             (2 << 5)
 
 #endif

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